Description
Why are ions so important? Life and our universe would not exist without ions to create an endless amount of compounds.
Book 2: The journey of a drop to a snowflake
A water drop in the ocean wants to be a beautiful snowflake. Drippy has many unsuccessful attempts but he is not a quitter. Will his dream come true? Find out as you follow his adventures. You will also learn a lot about snowflakes with pictures of each kind.
Book 3: The basic unit of life
What is the basic unit of all living things including you? This book may be used as a preview, self-quiz, or review for life science and biology. In 1665 using his microscope, Robert Hooke made an important discovery that no one else had ever seen before. He discovered the foundation of life. Actual photos are also included in this interactive story that contains the jobs and labels of the different building blocks of all living organisms. A pronunciation guide is also included.
Book 4: Machines
Machines can make our life easier. A simple machine is something that can change the direction or strength of a force. All complicated machines are made of one or more simple machines. Simple machines can reduce the effort needed for you to run them. See if you can find the simple machines around you.
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